Tenchi Muyou! Ryououki 4th Season

The Jurai and Masaki families gather in unusually cheerful circumstances as Nobuyuki prepares to marry Rea. People Tenchi has met across his long, chaotic life return for the celebration, while new relatives enter an already complicated family circle. The days before the wedding seem like a rare chance for everyone to relax, but Rea is carrying a secret tied to her origins and to the child she will bear. As the ceremony approaches, the Masaki family must understand what that truth means for the child's future and for the delicate balance connecting Earth, Jurai, and the worlds surrounding them.